[A faithful wife's anus swallows a dick and is developed into a loose one!] As an apology to her husband's boss who covered for her mistake, she entertains him at home, but there is a suspicious glint in his eyes as he looks at his wife, Kozue. While her husband is away on a business trip, her boss suddenly shows up and forces her ass to open wide and cums inside her anus! After that, she is mercilessly trained with a week of brutal expansion and insertion of foreign objects! The wife, whose rectum has been transformed into an erogenous zone, offers her anus herself! Husband, your wife's body has become one that doesn't feel anything unless she is fucked in both her pussy and her anus at the same time...